tree-optimization/96483 - fix ICE in PRE with POLY_INT_CST

This adds a missing case for PRE expression re-materialization.

2020-08-06  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/96483
	* tree-ssa-pre.c (create_component_ref_by_pieces_1): Handle
	POLY_INT_CST.

(cherry picked from commit 1f4c8afa1b2dac97f2ee78eacafe6eee246a4dae)

diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c
index 0c1654f35809a0482360a5f8def5dc60f6bfc66a..fa5a81b7e43617936f87801bb8caa622a696d953 100644 (file)
--- a/gcc/tree-ssa-pre.c
+++ b/gcc/tree-ssa-pre.c
@@ -2644,6 +2644,7 @@ create_component_ref_by_pieces_1 (basic_block block, vn_reference_t ref,
       }
     case STRING_CST:
     case INTEGER_CST:
+    case POLY_INT_CST:
     case COMPLEX_CST:
     case VECTOR_CST:
     case REAL_CST: